We shall take the typical emitter - to - base resistance as about 250 ohms.我们取发射极基极电阻的典型值为250欧姆左右.We have been considering the transistor with a current fed into the emitter.我们所研究的晶体管都是把电流馈入发射极.The base region is always ...
The best part of his expedition had been the rediscovery of his natural passion for making things.他这次探险的最大收获就是重新发现了自己对动手制作物品与生俱来的热忱。They are the rediscovery of teachers, green model of educational development and continu...
“这将会祸患无穷，”他说道。"The potential for disaster is enormous," he says.永远不能让种族主义暴政的祸患重新抬头。The scourge of racial tyranny should never again be allowed to raise its ugly head.她的优越正是她的祸患.Her privileged position now proved her undo...